There are several reasons for the pain in the back: 1. The most important reason, which may be a non-specific heart attack, can lead to the appearance of a crushing pain in the back. If such pain occurs, you should immediately go to the hospital because acute myocardial infarction may lead to the end of a person’s life. 2. The pain in the back may be caused by cholecystitis, pancreatitis, etc., which radiates to the back and causes involvement pain in the back. 3. Myofasciitis in the back of the shoulder is related to cold injury and chronic strain, and can be relieved by acupuncture, physical therapy, hot compresses and massage. The pain in the back must be treated only if the presence of heart attack, cholecystitis, pancreatitis and other diseases are excluded.